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Recent tests

Result filters: AS numbers or (partial) names: Country codes: Only show non-remediated spoofing
Spoof status key
receivedSpoofed packet was received.Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it.
rewrittenSpoofed packet was received, but the source address was changed en route.
blockedSpoofed packet was not received, but unspoofed packet was.
unknownNeither spoofed nor unspoofed packet was received.

SessionTimestamp (UTC)Client IP BlockASNCountryNATOutbound
Private
Status
Outbound
Routable
Status
Adj Spoof
Prefix Len
Results
7873522019-11-12 19:07:542600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7873112019-11-12 18:13:532600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7830172019-11-05 16:52:562600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7807652019-11-01 15:23:242600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7763762019-10-25 14:09:392600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7662092019-10-09 18:18:122600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7618472019-10-02 17:11:172600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7566312019-09-24 14:20:352600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7523052019-09-17 13:13:442600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7489272019-09-11 20:42:582600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7449432019-09-04 19:36:102600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7410852019-08-28 18:29:172600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7371732019-08-21 17:22:202600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7332142019-08-14 16:15:242600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7292372019-08-07 14:18:092600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7229502019-07-26 21:04:392600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7174882019-07-17 14:53:222600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7089892019-07-03 17:36:392600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6983012019-06-14 18:52:262600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6939852019-06-07 13:12:282600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6887782019-05-29 18:17:382600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6845502019-05-22 14:56:152600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6803902019-05-15 19:53:282600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6761532019-05-08 18:46:292600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6720002019-05-01 17:39:382600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6637632019-04-17 15:26:482600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6564162019-04-05 19:49:472600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6521122019-03-29 18:42:512600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6478862019-03-22 17:25:162600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6283772019-02-21 18:58:252600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
6243642019-02-14 17:51:312600:1700:51xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report

All results shown
Last Modified